06/21/19

Sketch the graph of the set. {(x, y) | x2 + y2 ≤ 9}
Sketch the graph of the set.{(x, y) | x2 + y2 ≤ 9}
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06/21/19

Sketch the region bounded by the curves. y = 9 − x2,    x − 3y = 3
Sketch the region bounded by the curves.y = 9 − x2,    x − 3y = 3
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06/21/19

Consider the function y = x2 + 4.  Identify the type of curve. parabolahyperbola or   ellipse
Consider the function y = x2 + 4. Identify the type of curve.parabolahyperbola or   ellipseSketch the graph. Do not plot points. Just use the standard graphs and shift if necessary.
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06/21/19

Consider the function y = −x2. Identify the type of curve. parabolaellipse  or  hyperbola Sketch the graph. Do not plot points. Just use the standard graphs and shift if necessary.
Consider the function y = −x2. Identify the type of curve.parabolaellipse  or  hyperbolaSketch the graph. Do not plot points. Just use the standard graphs and shift if necessary.
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06/21/19

Find an equation of a circle that satisfies the given conditions. Center at the origin, passes through (7, 8)
Find an equation of a circle that satisfies the given conditions.Center at the origin, passes through (7, 8)
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06/21/19

Find an equation of a circle that satisfies the given conditions. center (−4, −2), radius 13
Find an equation of a circle that satisfies the given conditions.center (−4, −2), radius 13
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06/21/19

Find an equation of a circle that satisfies the given conditions. center (3, −2), radius 7
Find an equation of a circle that satisfies the given conditions.center (3, −2), radius 7
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06/21/19

There are 72 grasshoppers and spiders in a garden. Each grasshopper has 6 legs and each spider has 8 legs .if there are 558 legs altogether, how many grasshoppers are there
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06/20/19

B = kpx when solved for k is:
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06/20/19

Statistics Question
Given that x is a normal variable with mean μ = 45 and standard deviation σ = 7.1, find the following probabilities. (Round your answers to four decimal... more
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06/19/19

Calculate Principal and Interest Rate Given Time to Double and amount after 10 years Compounding Continuously
Given:Time To Double: 11 yearsAmount after 10 years: $2000Find Initial investment ( P ) and rate of interest ( r )
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06/18/19

What is an estimate of the standard error of the average weekly sales?
A company has estimated the standard deviation of individual sales transactionsto be $2000. Approximately 100 sales transactions take place each week. What isan estimate of the standard error of... more
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06/18/19

Why is this incorrect?
I was wondering why a question was incorrect. It says Find the term that must be added to the equation (x^2-2x =3) to make it into a perfect square. I said 4. On my online math test I was marked... more
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06/18/19

A distribution of values is normal with a mean of 197.6 and a standard deviation of 61.4. Find P84, which is the score separating the bottom 84% from the top 16%.

A distribution of values is normal with a mean of 197.6 and a standard deviation of 61.4.Find P84, which is the score separating the bottom 84% from the top 16%. 
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06/18/19

A particular fruit's weights are normally distributed, with a mean of 317 grams

A particular fruit's weights are normally distributed, with a mean of 317 grams and a standard deviation of 21 grams.The heaviest 12% of fruits weigh more than how many grams?Give your answer to... more
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06/18/19

What is the algebraic expression of the phrase two times the quantity of a number minus 12
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06/18/19

Binomial Probability Distribution
If a seed is planted, it has a 85% chance of growing into a healthy plant. If 6 seeds are planted, what is the probability that exactly 1 doesn't grow?
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06/14/19

HELP ALGERBA2B CONNEXUS
there are 15 students in a social study’s class. Two students will be selected to present their term projects today. In how many different orders can two students be selected
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06/14/19

Write an expression to represent the following product of 6 and a number decreased by 11
Evaluate the expression for n=12
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06/14/19

A high school baseball player has a 0.298 batting average. In one game, he gets 7 at bats. What is the probability he will get at least 3 hits in the game?
A high school baseball player has a 0.298 batting average. In one game, he gets 7 at bats. What is the probability he will get at least 3 hits in the game?
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06/14/19

What should be divided by (-7) to obtain 12
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06/07/19

How do I find the probability that X is greater than 16.1
assume that X has a normal distribution, and find the indicated probabilityThe mean is 15.2And standard deviation is 0.9Find the probability that X is greater than 16.1
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05/19/19

Elementary Math
On the first day of vacation, you read one-quarter of a novel. On the second day, you read half of the remaining pages. On the third day, you read the last 141 pages of the novel.
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05/10/19

Statistic Question

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. The mean is $15 and the standard deviation is $3. What percentage of temporary... more
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05/10/19

HELP, I don't understand this
The scores on a psychology exam were normally distributed with a mean of 63 and a standard deviation of 9. A failing grade on the exam was anything 2 or more standard deviations below the mean.... more
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